How many protons, neutrons, and electrons are in Lithium

Do scientists still study atoms

Finding Impulse when u hav force and time

What causes gaps in the asteroid belt (known as Kirkwood Gaps) ? a. Large asteroids sweeping out paths in the asteroid belt. b. Gravitational interactions with Jupiter. c. Asteroids only formed at certain distances from the Sun. d.

Block a weighs 45 n and block b weighs 25 n. a. once block a starts from rest and moves to the right, determine the acceleration if μ between block a and the surface is 0.1. determine the distance traveled and its velocity after 0.5 seconds. b.

Jerri is planning to rebuild the engine of an antique car. She has chosen all the materials she needs including a high quality synthetic oil to reduce friction in the engine. What effect will reducing friction have on the engines performance?

A British newspaper was interested in whether groups of people who differed in social standing were treated differently when they complained to organizations about poor service they had received.

During combustion, a fuel's electromagnetic energy is converted into thermal energy.

Explain why glucose is important to a cell

4. How far does a car travel in 90 seconds if it is traveling at a speed of 55 m/s?

Total energy input is 1400 and my efficiency is 80% so what is the useful energy output in jules?